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extern/ustl/1.5/unew.h

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+// This file is part of the uSTL library, an STL implementation.
+//
+// Copyright (c) 2005 by Mike Sharov <msharov@users.sourceforge.net>
+// This file is free software, distributed under the MIT License.
+
+#ifndef UNEW_H_11D237512B324C9C05A55DAF1BF086F1
+#define UNEW_H_11D237512B324C9C05A55DAF1BF086F1
+
+#include "uexception.h"
+#include <stdlib.h>
+
+/// Just like malloc, but throws on failure.
+void* tmalloc (size_t n) throw (ustl::bad_alloc) __attribute__((malloc));
+/// Just like free, but doesn't crash when given a NULL.
+inline void nfree (void* p) throw() { if (p) free (p); }
+
+#if WITHOUT_LIBSTDCPP
+
+//
+// These are replaceable signatures:
+//  - normal single new and delete (no arguments, throw @c bad_alloc on error)
+//  - normal array new and delete (same)
+//  - @c nothrow single new and delete (take a @c nothrow argument, return
+//    @c NULL on error)
+//  - @c nothrow array new and delete (same)
+//
+//  Placement new and delete signatures (take a memory address argument,
+//  does nothing) may not be replaced by a user's program.
+//
+inline void* operator new (size_t n) throw (ustl::bad_alloc)	{ return (tmalloc (n)); }
+inline void* operator new[] (size_t n) throw (ustl::bad_alloc)	{ return (tmalloc (n)); }
+inline void  operator delete (void* p) throw()			{ nfree (p); }
+inline void  operator delete[] (void* p) throw()		{ nfree (p); }
+
+// Default placement versions of operator new.
+inline void* operator new (size_t, void* p) throw() { return (p); }
+inline void* operator new[] (size_t, void* p) throw() { return (p); }
+
+// Default placement versions of operator delete.
+inline void  operator delete  (void*, void*) throw() { }
+inline void  operator delete[](void*, void*) throw() { }
+
+#else
+#include <new>
+#endif	// WITHOUT_LIBSTDCPP
+
+#endif